5289991 has 12 divisors (see below), whose sum is σ = 6287328. Its totient is φ = 4435872.

The previous prime is 5289979. The next prime is 5290007. The reversal of 5289991 is 1999825.

It is not a de Polignac number, because 5289991 - 2⁵ = 5289959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5289901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1155 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (523944).

Almost surely, 2^5289991 is an apocalyptic number.

5289991 is a deficient number, since it is larger than the sum of its proper divisors (997337).

5289991 is a wasteful number, since it uses less digits than its factorization.

5289991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2351 counting only the distinct ones).

The product of its digits is 58320, while the sum is 43.

The square root of 5289991 is about 2299.9980434774. The cubic root of 5289991 is about 174.2415173440.

The spelling of 5289991 in words is "five million, two hundred eighty-nine thousand, nine hundred ninety-one".